Aerial Photo for Trego County, locality Mouth of Shaw Creek, location 11-12 S 21-22 W, quadrangle Hill City 4SW, project GS-VAAN. Date of photo 1960-05-21. Other info Flights 1-5. Range of sheets 1:135-130, 106-112, 76-81, 46-51, 16-10. Number of sheets 28. Photo is located at 11-12 S 21-22 W